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48919817 is a prime number
BaseRepresentation
bin1011101010011…
…1010100001001
310102001101101002
42322213110021
5100010413232
64504304345
71132545242
oct272472411
9112041332
1048919817
1125683201
12144720b5
13a19a84b
1466d5cc9
154464b62
hex2ea7509

48919817 has 2 divisors, whose sum is σ = 48919818. Its totient is φ = 48919816.

The previous prime is 48919807. The next prime is 48919837. The reversal of 48919817 is 71891984.

48919817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43771456 + 5148361 = 6616^2 + 2269^2 .

It is a cyclic number.

It is not a de Polignac number, because 48919817 - 26 = 48919753 is a prime.

It is a super-3 number, since 3×489198173 (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48919807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24459908 + 24459909.

It is an arithmetic number, because the mean of its divisors is an integer number (24459909).

Almost surely, 248919817 is an apocalyptic number.

It is an amenable number.

48919817 is a deficient number, since it is larger than the sum of its proper divisors (1).

48919817 is an equidigital number, since it uses as much as digits as its factorization.

48919817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 47.

The square root of 48919817 is about 6994.2702978938. The cubic root of 48919817 is about 365.7308605929.

The spelling of 48919817 in words is "forty-eight million, nine hundred nineteen thousand, eight hundred seventeen".